Metlink was the marketing body and umbrella brand for public train, tram and bus transport operators in Melbourne, Australia. On 2 April 2012, the operations of Metlink were transferred to the newly created public transport planning and management authority, Public Transport Victoria.

Public Transport Victoria (PTV) is the brand name for public transport in the Australian state of Victoria. It was previously the trading name of the Public Transport Development Authority (PTDA), a now-defunct statutory authority in Victoria, responsible for providing, coordinating, and promoting public transport.